/*
 * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
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 *
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 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.corba.se.impl.oa.poa;

import java.util.Enumeration;

import org.omg.PortableServer.Servant;
import org.omg.PortableServer.ServantManager;
import org.omg.PortableServer.ForwardRequest;
import org.omg.PortableServer.POAPackage.WrongPolicy;
import org.omg.PortableServer.POAPackage.ObjectNotActive;
import org.omg.PortableServer.POAPackage.ServantNotActive;
import org.omg.PortableServer.POAPackage.ObjectAlreadyActive;
import org.omg.PortableServer.POAPackage.ServantAlreadyActive;
import org.omg.PortableServer.POAPackage.NoServant;

import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil;
import com.sun.corba.se.impl.orbutil.ORBUtility;
import com.sun.corba.se.impl.orbutil.ORBConstants;

/**
 * Implementation of POAPolicyMediator that provides policy specific
 * operations on the POA.
 */
public class POAPolicyMediatorImpl_NR_UDS extends POAPolicyMediatorBase {

  private Servant defaultServant;

  POAPolicyMediatorImpl_NR_UDS(Policies policies, POAImpl poa) {
    super(policies, poa);

    // assert !policies.retainServants() && policies.useDefaultServant()
    if (policies.retainServants()) {
      throw poa.invocationWrapper().policyMediatorBadPolicyInFactory();
    }

    if (!policies.useDefaultServant()) {
      throw poa.invocationWrapper().policyMediatorBadPolicyInFactory();
    }

    defaultServant = null;
  }

  protected java.lang.Object internalGetServant(byte[] id,
      String operation) throws ForwardRequest {
    if (defaultServant == null) {
      throw poa.invocationWrapper().poaNoDefaultServant();
    }

    return defaultServant;
  }

  public void returnServant() {
    // NO-OP
  }

  public void etherealizeAll() {
    // NO-OP
  }

  public void clearAOM() {
    // NO-OP
  }

  public ServantManager getServantManager() throws WrongPolicy {
    throw new WrongPolicy();
  }

  public void setServantManager(ServantManager servantManager) throws WrongPolicy {
    throw new WrongPolicy();
  }

  public Servant getDefaultServant() throws NoServant, WrongPolicy {
    if (defaultServant == null) {
      throw new NoServant();
    }
    return defaultServant;
  }

  public void setDefaultServant(Servant servant) throws WrongPolicy {
    this.defaultServant = servant;
    setDelegate(defaultServant, "DefaultServant".getBytes());
  }

  public final void activateObject(byte[] id, Servant servant)
      throws WrongPolicy, ServantAlreadyActive, ObjectAlreadyActive {
    throw new WrongPolicy();
  }

  public Servant deactivateObject(byte[] id) throws ObjectNotActive, WrongPolicy {
    throw new WrongPolicy();
  }

  public byte[] servantToId(Servant servant) throws ServantNotActive, WrongPolicy {
    throw new WrongPolicy();
  }

  public Servant idToServant(byte[] id)
      throws WrongPolicy, ObjectNotActive {
    if (defaultServant != null) {
      return defaultServant;
    }

    throw new ObjectNotActive();
  }
}
